12-letter words containing c, o, a, l
- black locust — Also called false acacia, yellow locust. a North American tree, Robinia pseudoacacia, of the legume family, having pinnate leaves and clusters of fragrant white flowers.
- black poplar — a Eurasian tree, Populus nigra
- black powder — gunpowder as used in sports involving modern muzzleloading firearms
- black sapote — a tropical American tree, Diospyros digyna, related to the persimmon, having sweet, edible, green fruit that turns black when ripe.
- black scoter — a scoter of Eurasia and North America, Melanitta nigra, the adult male of which is black.
- black tongue — canine pellagra.
- black-coated — (esp formerly) (of a worker) clerical or professional, as distinguished from commercial or industrial
- blastocoelic — of or relating to the blastocoel
- blastomycete — any of a genus (Blastomyces) of yeastlike imperfect fungi that cause diseases in people and animals
- block caving — a method of mining a large block of ore by systematically undercutting so the ore will cave. Compare cave (def 5a).
- block heater — an electrically operated immersion heater fitted either to enter the water hose or the water jacket surrounding the cylinder block of a motor to warm the coolant in cold weather.
- block island — an island off the coast of and a part of Rhode Island, at the E entrance to Long Island Sound.
- block signal — a fixed railroad signal governing the movements of trains entering and using a given section of track.
- board school — (formerly) a school managed by a board elected by local ratepayers
- boghead coal — compact bituminous coal that burns brightly and yields large quantities of tar and oil upon distillation.
- boletic acid — fumaric acid.
- bombe glacée — a dessert of ice cream lined or filled with custard, cake crumbs, etc
- bonnyclabber — clotted or curdled milk
- borosilicate — a salt of boric and silicic acids
- botticellian — Sandro [san-droh,, sahn-;; Italian sahn-draw] /ˈsæn droʊ,, ˈsɑn-;; Italian ˈsɑn drɔ/ (Show IPA), (Alessandro di Mariano dei Filipepi) 1444?–1510, Italian painter.
- boudin blanc — a boiled sausage made with light-colored meat, as veal or chicken, and without blood
- boulder clay — an unstratified glacial deposit consisting of fine clay, boulders, and pebbles
- bounce flash — a flash lamp designed to produce a bounced flash.
- bowel cancer — cancer of the colon
- box lacrosse — a form of lacrosse played indoors, usually on a hockey rink with a wooden floor, between two teams of six players.
- brass-collar — unwaveringly faithful to a political party; voting the straight ticket: a brass-collar Democrat.
- breechloader — any gun loaded at the breech
- brown hackle — an artificial fly having a peacock herl body, golden tag and tail, and brown hackle.
- buccolingual — of or relating to the cheek and tongue.
- bullock cart — a cart pulled by one or two bullocks
- cabriole leg — a type of furniture leg, popular in the first half of the 18th century, in which an upper convex curve descends tapering to a concave curve
- cacophonical — cacophonous
- cactoblastis — a moth, Cactoblastis cactorum of South America, that was introduced into Australia to act as a biological control on the prickly pear
- cadaverously — In a cadaverous manner.
- cadet school — a training establishment for cadets in the army
- caesalpinoid — of, relating to, or belonging to the Caesalpinoideae, a mainly tropical subfamily of leguminous plants that have irregular flowers: includes carob, senna, brazil, cassia, and poinciana
- calamitously — In a calamitous manner.
- calcareously — in a calcareous manner
- calculations — Plural form of calculation.
- calibrations — Plural form of calibration.
- caliginosity — darkness
- call collect — If you call collect when you make a telephone call, the person who you are phoning pays the cost of the call and not you.
- call of duty — responsibilities
- call time on — If you call time on something, you end it.
- call to arms — a command to report for active military duty.
- call to mind — to remember or cause to be remembered
- caloreceptor — a receptor stimulated by heat.
- calorescence — the absorption of radiation by a body, subsequently re-emitted at a higher frequency (lower wavelength)
- calorie-free — containing no calories
- calorimeters — Plural form of calorimeter.